103102131123 has 8 divisors (see below), whose sum is σ = 152743898000. Its totient is φ = 68734754064.

The previous prime is 103102131103. The next prime is 103102131149. The reversal of 103102131123 is 321131201301.

103102131123 is a `hidden beast` number, since 1 + 0 + 310 + 21 + 311 + 23 = 666.

It is not a de Polignac number, because 103102131123 - 2⁵ = 103102131091 is a prime.

It is a super-2 number, since 2×103102131123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103102131096 and 103102131105.

It is not an unprimeable number, because it can be changed into a prime (103102131103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1909298698 + ... + 1909298751.

It is an arithmetic number, because the mean of its divisors is an integer number (19092987250).

Almost surely, 2^103102131123 is an apocalyptic number.

103102131123 is a deficient number, since it is larger than the sum of its proper divisors (49641766877).

103102131123 is an equidigital number, since it uses as much as digits as its factorization.

103102131123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818597458 (or 3818597452 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 103102131123 its reverse (321131201301), we get a palindrome (424233332424).

The spelling of 103102131123 in words is "one hundred three billion, one hundred two million, one hundred thirty-one thousand, one hundred twenty-three".